From The SWORD Project for 01961:
hayah haw-yaw; a primitive root (compare 1933); to exist, i.e. be or
become, come to pass (always emphatic, and not a mere copula or
auxiliary):--beacon, X altogether, be(-come), accomplished, committed,
like), break, cause, come (to pass), do, faint, fall, + follow,
happen, X have, last, pertain, quit (one-)self, require, X use. see
HEBREW for 01933
And for 01933:
hava' haw-vaw' or havah haw-vaw'; a primitive root (compare 183,
1961) supposed to mean properly, to breathe; to be (in the sense of
existence):--be, X have. see HEBREW for 0183 see HEBREW for 01961
And for 00183:
'avah aw-vaw' a primitive root; to wish for:--covet, (greatly)
desire, be desirous, long, lust (after).